Create filter for department

[edulauer]

Creates a new DAG_CONF parameter named department for Ro-DOU. This optional parameter filters the DOU results based on a list of departments specified in the YAML file. * Avaliable in DOU search only.

Issue #67

TODO:

• Verify if it's possible to implement the same filter in QD
• Include the department list in slack and discord notifications
• Group results by department

[augusto-herrmann]

Excelente!